CN107192550B - Order analysis system - Google Patents
Order analysis system Download PDFInfo
- Publication number
- CN107192550B CN107192550B CN201610641203.8A CN201610641203A CN107192550B CN 107192550 B CN107192550 B CN 107192550B CN 201610641203 A CN201610641203 A CN 201610641203A CN 107192550 B CN107192550 B CN 107192550B
- Authority
- CN
- China
- Prior art keywords
- data
- machine
- module
- order
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
- G07C3/02—Registering or indicating working or idle time only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0248—Filters characterised by a particular frequency response or filtering method
- H03H17/0251—Comb filters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
Abstract
A kind of instrument for rotary machine execution order analysis.Input module receive periodic motion data and with the associated machine characteristic data of the periodic motion data time.Processor module receives the periodic motion data and machine characteristic data, by Ge Zeer module application to the periodic motion data and machine characteristic data, to generate order data set comprising the amplitude of machine characteristic data and normalization period exercise data order.
Description
Technical field
The present invention relates to machine health indicator, protection and prediction fields.More particularly, the present invention relate to detection machines
The order analysis of device situation.
Background technique
Order analysis is for analyzing the information collected from the equipment with periodic motion, such as sound and vibration signal.
This includes rotary machine, such as turbine, motor, pump, compressor.It further includes other being repeated cyclically but non-rotary with certain
The machine of mode repeating motion, such as box folding machine (box-folding machine).All these equipment are in collectively referred to herein as machine
Device.
As used in term " order analysis " " order " refers to that machine is carried out such as rotation quasi-periodic repeating motion
Frequency, be normalized value.Therefore, in one embodiment, the first rank is only periodic motion, and additional order is more times
Periodic motion.Therefore, each order is the harmonic wave of periodic motion.Although these concepts have been explained to be not only applicable to rotate
Machine, but various descriptions provided herein will be related with rotary machine, so as not to can excessively interfere term.
Generally, for determining existing relationship between periodic motion and machine information (such as sound and vibration),
Order analysis is useful.Using order analysis, people can identify and separate such sound and vibration mode, thus really
The state of the fixed machine all parts.
Many mechanical properties of machine change with the variation of the periodic motion of the machine.Some mechanical conditions such as resonate,
It is typically only capable to when periodic motion is close or resonant speed Shi Caineng is undergone to be observed.Therefore, machine sound and vibration-testing
Usually require rising edge (run-up) or failing edge (run-down) test.Pass through the periodic motion of lasting normalization machine, rank
Secondary analytical technology makes people that can not only work as machine with movement stable period motion time analysis sound and vibration signal, and
Also the analysis can be being carried out when periodic motion changes over time.
Order analysis can be used in determining the amplitude and phase of sound and vibration data, not only for the base of signal
Frequently, but also the harmonic wave for signal or higher order are secondary.This information is for determining that machine state is useful.For example, the period transports
The increase of dynamic frequency amplitude indicates unbalanced situation.The harmonic wave of periodic motion frequency indicates other errors, such as misalignment.
Therefore, it is necessary to a kind of systems, are capable of providing more or at least part of information related with the above problem.
Summary of the invention
Above-mentioned and other demands are satisfied by the instrument that a kind of pair of machine executes order analysis.Input module receives
Periodic motion data and with the associated machine characteristic data of the periodic motion data time.Processor module receives the week
Phase exercise data and machine characteristic data, by Ge Zeer (Goertzel) module application to the periodic motion data and machine
Device performance data, to generate order data set comprising the width of machine characteristic data and normalization period exercise data order
Value.
In various embodiments, the machine characteristic data include vibration data.In various embodiments, the machine is special
Property data include voice data.In some embodiments, the order data further comprise the phase of machine characteristic data.One
A little embodiments include display, the expression of order data set for rendering.In some embodiments, the table of the order data set
Show the amplitude curve figure including machine characteristic data Yu normalization period exercise data.
According to another aspect of the present invention, a kind of method for executing order analysis to machine is described.Receive the period
Exercise data and with the associated machine characteristic data of the periodic motion data time.By Ge Zeer module application to the week
Phase exercise data and machine characteristic data, to generate order data set comprising machine characteristic data and normalization period
The amplitude of exercise data order.
According to another aspect of the present invention, a kind of non-transitory computer-readable medium comprising program, the journey are described
Sequence by make computer processor execute following steps, enable the computer to rotary machine execute order analysis,
The step include: receive periodic motion data and with the associated machine characteristic data of the periodic motion data time.It will
Ge Zeer module application is to the periodic motion data and machine characteristic data, to generate order data set comprising machine
The amplitude of device performance data and normalization period exercise data order.
Detailed description of the invention
When considering in conjunction with attached drawing with reference to detail specifications, further advantage of the present invention can be become apparent, in order to
More clearly showing details, attached drawing is not drawn fully according to ratio, wherein in several views, identical invoking marks
Indicate identical element, and wherein:
Fig. 1 is the functional block diagram according to the order analysis system of the embodiment of the present invention；
Fig. 2 is the functional block diagram according to the Ge Zeer module of the embodiment of the present invention；
Fig. 3 is the functional block diagram according to the comb filter module of the embodiment of the present invention；
Fig. 4 is the curve graph being arranged according to the frequency selectivity for comb filter module of the embodiment of the present invention；
Fig. 5 is the curve being arranged according to the harmonic wave bandwidth selectivity for comb filter module of the embodiment of the present invention
Figure；
Fig. 6 is to be described according to the time-domain description and frequency domain for the peaceful filter module application of the Chinese of the embodiment of the present invention
Curve graph；
Fig. 7 is the curve of the amplitude and phase according to a certain order of the periodic motion data set of the embodiment of the present invention
Figure has the region for alarm and hazardous part.
Specific embodiment
Referring now to figure 1, according to an embodiment of the invention, showing the functional block diagram of order analysis system 100, including speed
Spend detection module 102, data sensing module 104, input 110, memory 112, measurement module 106, alarm module 108 and place
Manage device 114.
As it is used herein, term " module " includes hardware and component software.In some embodiments, module is certainly
Hardware is defined, there is the software of insertion in firmware, firmware cannot change or not allow malleable.In other embodiments
In, module is mainly realized by the software operated on general-purpose computing system hardware.Some modules as described below are frequent
Including specialized hardware, such as various types of sensors, these specialized hardwares are typically not included in the hardware of general-purpose computing system.
As introduced above, in some embodiments, order analysis system 100 is realized with custom hardware.It is replacing
For in embodiment, order analysis system 100 is mainly realized with operating in the software on universal computing platform, which has root
Speed and data sensing information are provided according to the special equipment of needs.
Velocity measuring module 102 carries out evaluation of speed using the velocity information for being input from the outside offer.Some embodiment packets
Include external trigger input or direct sensor input, such as revolution counter.In some embodiments, velocity information is received as counting
Word signal, in other embodiments, velocity information are received as analog signal and are converted into digital signal, such as pass through speed
Detection module 102.
Data acquisition module 104 samples the data from sensor or original signal source, such as in order to obtain sound
Sound data or vibration data.In some embodiments, if data are not yet arranged in the digital domain, analog signal is changed into
Digital signal.Then the subsequent processing of sampled data is completed in the digital domain.In some embodiments, certain is executed to data-signal
Kind pretreatment, as described in more detail below.
Such as speed and machine data are received by input 110, in various embodiments, input 110 is using USB, string
One or more of capable, parallel or proprietary input.From periodic motion module 102 and the received number of machine data module 104
According to being stored in memory 112, it is at least temporarily stored in memory 112.For example, if will be post-processed to data,
Data can be saved a very long time by memory 112.However, can be if will be analyzed in real time data
It is buffered in memory 112.
Measurement module 106 receives periodic motion data 110 from memory 112, or in some embodiments, directly by defeated
Enter 110 and receives periodic motion data 110 from acceleration module 102 and machine data module 104.106 service life of measurement module
Motion information 110 (it can be rotation) is executed carries out frequency-selective extraction from measured vibration input signal 122.Machine
The heterogeneity (amplitude and phase) of device data-signal 112 can be directly monitored or be combined to produce in various ways new letter
Breath.
Monitoring and alarm module 108 monitor the output of measurement module 106, and by the output and various standards and limit
System is compared.When occurring violating any standard or limitation, alarm module 108 generates such notification to Systems Operator, or
Output has the signal for indicating specific fault in other ways, so as to take operation related with the fault.In some realities
It applies in example, which executes automatically, and in other embodiments, which manually performs.
System 100 is typically under the control of processor 114.In some embodiments of system 100, there is also users circle
Face 116 and communication module 118, this network communication interface is for the communication between system 100 and other computing systems.
Referring now to Fig. 2, more detailed 106 embodiment of measurement module is shown, measurement module 106 is for describing at signal
Reason, in one embodiment, amplitude and phase of the signal processing for detection cycle motion frequency and its harmonic wave and sub- harmonic wave
Position.
Embodiment shown in Fig. 2 realizes Ge Zeer module.Specific module shown in Fig. 2 is variation or modified dagger-axe pool
That module.In the present embodiment, the parameter setting of Ge Zeer module 106 is continuously updated, to be adapted to new periodic motion frequency,
This is especially advantageous during machine rising edge and failing edge.
Ge Zeer module 106 as shown in Figure 2 includes comb filter 202, multiple resonator blocks 204 and time-domain windowed
Module 206.In some embodiments, comb filter 202 is realized as shown in Figure 3.The application of comb filter 202 is in the time domain.
Time signal is then transformed into frequency domain by resonator block 204, then in a frequency domain execute adding window 206, rather than in the time domain into
Row Windowed filtering.
In some embodiments, filter 202 has following transmission function:
In some embodiments, filter 202 is not present, but in other embodiments, it is arranged to have very much frequency
Rate selectivity, as shown in Figure 4.In other embodiments, filter 202 is arranged to convenient for providing near harmonic wave to be detected
Specific bandwidth, as shown in Figure 5.Each embodiment according to the present invention is needed according to measurement using different types of comb filtering
Device 202.For highly selective frequency abstraction, it is some be to set filter 202 to trap (notch) in embodiment
Characteristic, as shown in Figure 4.For using the band limit of more windowing filters to extract, in some embodiments, filter is arranged and is used
In limitation bandwidth, as shown in Figure 5.
As shown in Fig. 2, each resonator block 204 from come from comb filter 202 (if present) input signal
Middle extraction unifrequency point.Resonator block 204 provides periodic motion frequency functionality, this is the starting point of order analysis.In some implementations
In example, the quantity of resonator block 204 needed for single harmonic detecting depends on the average in pending frequency domain.In such as Fig. 2
Shown in embodiment, show 5 resonator blocks 204, and in other embodiments, the resonator of different number may be implemented
Block 204.(quantity in some embodiments, measuring sample is configurable) after each measurement calculates for resonator block 204
New coefficient.New data it is available whenever, will assessment output be synchronized to measurement period.
In some embodiments, adding window function 206 is completed in a frequency domain by cosine filter, the Chinese as shown in FIG. 6 is peaceful
Filter (Hanning filter).The embodiment of the present invention is used for using adding window function 206 to the resonance from some quantity
The output of device block 204 is weighted.This includes the sideband section in order analysis result.For high speed gradient, this framework
Help to ensure that input data is in observer's range of Ge Zeer module 106.
Each embodiment according to the present invention, fundamental frequency or harmonics extracting section for each speed use single dagger-axe pool
That module 106.In such implementation, Mei mono- Ge Zeer module 106 by separate configurations or can be configured to one group.
Therefore, each embodiment of the invention carries out order analysis using the Ge Zeer module 106 in frequency domain, is such as being used for
In the protection and forecasting system of rotary machine.By using Ge Zeer module 106, resonator 204, comb filter 202 with
And 206 parameter of window can be continuously updated, to support quick and accurate amplitude and phase information.Further, fastly
Fast Fourier transformation is handled using block, and if using comb filter 202, Ge Zeer module 106 only needs flexibility
Delay line.
Referring now to Fig. 7, according to an embodiment of the invention, show the amplitude of a certain order of periodic motion data set with
And the curve graph of phase, there is the region for alarm and hazardous part.
For explanation and the purpose of description, the foregoing description of the embodiment of the present invention is had been presented for.It is not intended in detail
Illustrate the present invention to the greatest extent or limit the invention to disclosed exact form to nothing left.It is able to carry out under above teaching aobvious and easy
The modification or deformation seen.It is in order to illustrate the principle of the present invention and its practical application, to make that the embodiment, which is chosen and described,
Any those skilled in the art can be in a manner of various embodiments using of the invention and expected using being suitable for
The specific various modifications used use the present invention.When interpreting the present invention according to the width of fair, legal, just authorization, institute
There are such modification and variation that should all fall into the scope of the invention determined by this paper appended claims.
Claims (4)
1. the instrument that a kind of pair of machine executes order analysis, which is characterized in that the instrument includes:
Velocity measuring module, for detecting the speed of the period moving element of machine and providing speed signal；
Sensing module, for detecting at least one in sound and vibration and providing machine signal；
Input module, for receiving speed signal and machine signal；
Memory, for speed signal to be remained exercise data and machine signal is remained machine data；
Measurement module, including Ge Zeer module, wherein Ge Zeer module is used to execute selection from machine data using exercise data
Resistant frequency extracts and provides order data set；
Alarm module, for receiving order data set and comparing order data set and at least one of standard and limitation
Compared with, and when violate standard and limitation at least one when, export have instruction break rules signal；
User interface, including the display for displaying information to user；
Communication module, for being communicated between the instrument and other computing systems, and
Processor module is used for
Measurement module is controlled by Ge Zeer module application to the exercise data and the machine data,
From the polar coordinate representation and complex representation that order data set generates machine data and normalization period exercise data order
At least one, and
It is presented to the user polar coordinate representation as the curve graph on display, the curve graph includes cycle movement data
The phase and amplitude of order, wherein with the region for alarm and hazardous part.
2. instrument according to claim 1, wherein the polar coordinate representation includes the 360 degree rotation for indicating the element of machine
Circle, indicate the direction indicator of thrust vectoring at round center, be arranged in circle the first of the area of safe operation for indicating machine
Wedge and the second wedge that expression violation standard and at least one in limitation in circle are set.
3. instrument according to claim 1, wherein the complex representation of the order data set includes machine characteristic data
At least one of real and imaginary parts.
4. instrument according to claim 1, wherein the expression of the order data set includes machine characteristic data and normalizing
Change the amplitude curve figure of periodic motion data.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/069,040 | 2016-03-14 | ||
| US15/069,040 US10094743B2 (en) | 2016-03-14 | 2016-03-14 | Order analysis system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107192550A CN107192550A (en) | 2017-09-22 |
| CN107192550B true CN107192550B (en) | 2019-04-23 |
Family
ID=59700288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610641203.8A Active CN107192550B (en) | 2016-03-14 | 2016-08-05 | Order analysis system |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US10094743B2 (en) |
| CN (1) | CN107192550B (en) |
| DE (1) | DE102016113694B4 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10746590B2 (en) * | 2017-09-29 | 2020-08-18 | Rockwell Automation Technologies, Inc. | Method and apparatus for online condition monitoring of variable speed motor applications |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6128959A (en) * | 1994-11-07 | 2000-10-10 | Eaton Corporation | Driveline vibration analyzer |
| US6351714B1 (en) * | 1998-03-03 | 2002-02-26 | Entek Ird International Corporation | Order tracking signal sampling process |
| CN102175439A (en) * | 2011-01-25 | 2011-09-07 | 上海交通大学 | Method for realizing order analysis of rotating machinery |
| CN103499443A (en) * | 2013-09-12 | 2014-01-08 | 西安交通大学 | Gear failure keyless phase angle domain average computing order analysis method |
| DE102014114943B3 (en) * | 2014-10-15 | 2015-07-16 | Endress + Hauser Gmbh + Co. Kg | Vibronic sensor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7539549B1 (en) | 1999-09-28 | 2009-05-26 | Rockwell Automation Technologies, Inc. | Motorized system integrated control and diagnostics using vibration, pressure, temperature, speed, and/or current analysis |
| US7308322B1 (en) | 1998-09-29 | 2007-12-11 | Rockwell Automation Technologies, Inc. | Motorized system integrated control and diagnostics using vibration, pressure, temperature, speed, and/or current analysis |
| US8417360B2 (en) | 2001-08-10 | 2013-04-09 | Rockwell Automation Technologies, Inc. | System and method for dynamic multi-objective optimization of machine selection, integration and utilization |
| US6847854B2 (en) | 2001-08-10 | 2005-01-25 | Rockwell Automation Technologies, Inc. | System and method for dynamic multi-objective optimization of machine selection, integration and utilization |
| US7797062B2 (en) | 2001-08-10 | 2010-09-14 | Rockwell Automation Technologies, Inc. | System and method for dynamic multi-objective optimization of machine selection, integration and utilization |
| US8914300B2 (en) | 2001-08-10 | 2014-12-16 | Rockwell Automation Technologies, Inc. | System and method for dynamic multi-objective optimization of machine selection, integration and utilization |
| DK2085902T3 (en) | 2008-02-02 | 2018-03-12 | Siemens Ind Software Nv | Order tracking method and system |
-
2016
- 2016-03-14 US US15/069,040 patent/US10094743B2/en active Active
- 2016-07-25 DE DE102016113694.8A patent/DE102016113694B4/en active Active
- 2016-08-05 CN CN201610641203.8A patent/CN107192550B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6128959A (en) * | 1994-11-07 | 2000-10-10 | Eaton Corporation | Driveline vibration analyzer |
| US6351714B1 (en) * | 1998-03-03 | 2002-02-26 | Entek Ird International Corporation | Order tracking signal sampling process |
| CN102175439A (en) * | 2011-01-25 | 2011-09-07 | 上海交通大学 | Method for realizing order analysis of rotating machinery |
| CN103499443A (en) * | 2013-09-12 | 2014-01-08 | 西安交通大学 | Gear failure keyless phase angle domain average computing order analysis method |
| DE102014114943B3 (en) * | 2014-10-15 | 2015-07-16 | Endress + Hauser Gmbh + Co. Kg | Vibronic sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| US10094743B2 (en) | 2018-10-09 |
| CN107192550A (en) | 2017-09-22 |
| DE102016113694B4 (en) | 2018-10-18 |
| DE102016113694A1 (en) | 2017-09-14 |
| US20170261404A1 (en) | 2017-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108318129B (en) | Method for discriminating true and false of modal parameter of bridge structure and terminal equipment | |
| CN106769033A (en) | Variable speed rolling bearing fault recognition methods based on order envelope time-frequency energy spectrum | |
| CN109520738A (en) | Rotating machinery Fault Diagnosis of Roller Bearings based on order spectrum and envelope spectrum | |
| CN109716077A (en) | Use the method and system of Tip-Timing (BTT) monitoring turbine rotor blade | |
| Gillich et al. | Early structural damage assessment by using an improved frequency evaluation algorithm | |
| US11927501B2 (en) | Method and device for monitoring a gear system | |
| CN106092524A (en) | A kind of method using vibration signal accurately to extract tach signal | |
| CN109932179A (en) | A kind of rolling bearing fault testing method based on the reconstruct of DS Adaptive spectra | |
| CN110285044B (en) | Water pump vibration monitoring analyzer and method based on raspberry pie | |
| CN103116032A (en) | Method and device for acquiring rotating speed of wind generating set | |
| CN110108467A (en) | Active sounding speed-measuring method based on portable mobile apparatus | |
| KR19980033373A (en) | Time Series Data Identification Device and Method | |
| CN106932162B (en) | Track dynamic stiffness test method and system | |
| CN107192550B (en) | Order analysis system | |
| CN111797569A (en) | Bridge state evaluation method, device, equipment and storage medium | |
| WO2015011791A1 (en) | Abnormality detection evaluation system | |
| CN106093569A (en) | Navigation signal measuring method, system and navigator inline diagnosis method, system | |
| Wang et al. | Time synchronous averaging based on cross-power spectrum | |
| CN112985867A (en) | Steering engine test method, device, equipment and storage medium | |
| Wang et al. | Fast Spectral Correlation Based on Sparse Representation Self‐Learning Dictionary and Its Application in Fault Diagnosis of Rotating Machinery | |
| KR20110034281A (en) | Method and analysis system for diagnosising exclusive vibration in generator stator windings | |
| US11035771B2 (en) | Measurement system with resonant sensors and method for the operation of a resonant sensor | |
| CN104808643B (en) | A kind of control loop non-linear detection method based on improved double-spectrum analysis | |
| Yang et al. | A Hilbert Transform based method for dynamic phase difference measurement | |
| CN108596215B (en) | Multi-modal signal analysis and separation method, device, equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |